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Adaptive Thresholding for Signal De-Noising for Power-Line Communications
Yu Min HWANG Gyeong Hyeon CHA Jong Kwan SEO Jae-Jo LEE Jin Young KIM
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/12/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Digital Signal Processing
power-line communication, burst noise, signal de-noising, wavelet transform, adaptive thresholding,
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This paper proposes a novel wavelet de-noising scheme regarding the existing burst noises that consist of background and impulsive noises in power-line communications. The proposed de-noising scheme employs multi-level threshold functions to efficiently and adaptively reduce the given burst noises. The experiment results show that the proposed de-noising scheme significantly outperformed the conventional schemes.